A compound with molecular mass 180 is acylated with CH3COCl to get a compound with molecular mass 390. The number of amino groups present per molecule of the former compound is:
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy ?
Match List-I (Electromagnetic wave type) with List-II (Its association/application) and select the correct option from the choice given below the lists :
Which among the following is the most reactive ?
Assuming human pupil to have a radius of 0.25 cm and a comfortable viewing distance of 25 cm, the minimum separation between two objects that human eye can resolve at 500 nm wavelength is :
All the students of a class performed poorly in Mathematics. The teacher decided to give grace marks of 10 to each of the students. Which of the following statistical measures will not change even after the grace marks were given ?
In which of the following pairs of molecules/ions, both the species are not likely to exist?
On a hot summer night, the refractive index of air is smallest near the ground and increases with height from the ground. When a light beam is directed horizontally, the Huygens' principle leads us to conclude that as it travels, the light beam :
The synthesis of alkyl fluorides is best accomplished by :